Eaton NT20P11B3716CU Transformer - DOE 2016 Efficient
Part Number: NT20P11B3716CU
Quick Summary
Eaton NT20P11B3716CU is a nonlinear ventilated transformer for reliable power conditioning in industrial control panels. A common challenge is maintaining voltage quality under load transients without excessive heat. This model features a KT-13 K-Factor, a 37.5 kVA rating, primary 240 x 480 V, secondary 120/240 V, 80°C rise, copper windings, and multiple taps. DOE 2016 Efficient catalog notes align it with modern energy standards, and it can integrate with Eaton's Transformer Flex Center resources for installation guidance and performance tracking. Engineering teams gain predictable performance across varying loads, while procurement benefits from a single high-capacity solution that reduces panel footprint and total cost of ownership.
Product Information
Extended Description
NT20P11B3716CU Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (1-phase), PV 240 x 480V, Taps: 1 at +5%/2 at -5% x 2 at +2.5%/4 at -2.5%, SV 120/240V, 80°C rise, 37.5 kVA, 16, Copper windings
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
NT20P11B3716CU
UPC
786680207358
Product Length/Depth
23.84 in
Product Height
42.03 in
Product Width
24.22 in
Product Weight
932 lb
Certifications
Contact Manufacturer
Catalog Notes
DOE 2016 Efficient
Volt ampere rating
37.5 kVA
Primary voltage
240 x 480 V
Secondary Voltage
120/240 V
KT-13 nonlinear ventilated design optimizes transient response and heat dissipation. This improves voltage regulation under non-linear loads, reducing nuisance trips and downtime in automation lines. Used in robotics and CNC-driven equipment, it helps maintain stable control signals under varying demand. 37.5 kVA rating consolidates power conditioning in mid-size panels, reducing cabinet footprint, simplifying procurement, and lowering maintenance overhead. Ideal for machine control centers and panel boards in manufacturing environments where uptime matters. Primary 240 x 480 V with 120/240 V secondary and multiple taps enables precise voltage matching to downstream devices, improving PLC and I/O reliability across changing loads. Suitable for panel boards located near line-side transformers, supporting quick, compliant installations. One-phase design with 80°C rise and copper windings delivers better efficiency and a stronger thermal margin, reducing cooling requirements and extending component life. DOE 2016 Efficient status and Eaton Transformer Flex Center compatibility support easier integration, faster project delivery, and ongoing performance tracking. The combination of robust copper windings, adjustable taps, and a compact footprint makes it well-suited for compact control cabinets and spaces with restricted ventilation.
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FAQs
When planning installation, account for the transformer’s 932 lb weight, dedicated ventilation, and space for the 240 x 480 V primary with a 120/240 V secondary. Ensure clearances meet cooling requirements, allow for accessible taps, and plan wire routing to minimize length and voltage drop. Use mounting provisions compatible with standard electrical cabinets and follow the Eaton specification sheet for torque and connection guidelines.
Key specs include a 37.5 kVA rating, primary voltage of 240 x 480 V, secondary voltage of 120/240 V, 80°C rise, copper windings, and multiple voltage-tap options. The transformer uses a KT-13 K-Factor design to handle non-linear loads, is single-phase, and supports a 1-phase installation in typical control panels.
Yes. The NT20P11B3716CU is listed with DOE 2016 Efficient catalog notes, reflecting improved energy performance. This helps engineering teams meet regulatory requirements and reduce operating costs over the transformer’s life, especially in facilities prioritizing energy efficiency and heat management in power conditioning solutions.
NT20P11B3716CU is designed to align with Eaton’s Transformer Flex Center, providing access to installation guides, datasheets, and the specification sheet. This integration streamlines project planning, supports accurate BOMs, and enables performance tracking throughout the equipment lifecycle, reducing time-to-commission and improving ongoing maintenance planning.
The transformer delivers voltage stability under transient loads, reducing equipment trips and downtime. With a 37.5 kVA rating and DOE 2016 efficiency, facilities can streamline power conditioning in a single unit, cut energy losses, extend component life, and achieve faster ROI through lower cooling requirements and simplified panel designs.